VW A4: ALH TDi P1247 - Needle Lift Sensor (G80): Open or Short to Plus - YouTube
Volkswagen Workshop Manuals > Polo Mk3 > Power unit > Direct injection and glow plug system with distributor pump as of 10.99 > Fuel preparation system Diesel injection > Checking components and
Needle Lift Sensor, Checking NOTE: When servicing terminals in the harness connector for the Needle Lift Sensor, use only gold-p